This event has been recorded under zimmer biomet complaint number (b)(4).Reported issue: on (b)(6) 2019, it was reported that the unit had malfunction.During the procedure the instrument ran hot and caused harm to the patient.The customer returned an air dermatome device, serial number 101701, for evaluation.The customer also returned a hose and 1"/2"/3"/4" width plates, for evaluation.Dhr review: the device history record (dhr) review was unable to be performed as the dhr associated with this device is not available.This device was manufactured prior to (b)(6) 2009 where it was identified a robust dhr indexing and handling process was not in place.A corrective and preventative action (capa) implemented a serial number logbook to correct this issue.The previous repair report reviewed noted no related non-conformances, requests for deviation, change notices or any other issues with manufacturing or with the device.The previous repair report review also found that all verifications, inspections and tests were successfully completed.Zimmer biomet surgical has previously repaired/evaluated air dermatome serial number (b)(6) two times as documented in the repair reports in livelink.The last repair was (b)(6) 2013 where it was reported that the device needed preventative maintenance and the ball detent, machined head, thickness lever, reciprocating arm, bearings, seal and retaining ring, motor, poppet assembly, 1 inch/2inch/3 inch width plates, and o-ring were replaced.This is not a related issue.Device evaluations results/investigation findings: product review of the air dermatome on (b)(6) 2019 revealed that the calibration was out of specifications at all settings.The motor speed was within specifications.The control bar was low on the master blade on one side.All 4 with plates were dinged in the harvesting area as well as the leading edge.The device was left running and no heat was experienced.The control bar was dinged in the middle.The head was damaged in the blade area causing it to be difficult to insert the master blade during testing.Repair of the air dermatome has not been performed by zimmer biomet surgical as the device is aged and it is unknown if the customer will proceed or purchase a new unit.Probable cause/root cause: although the reported event was confirmed during inspection of the device, it cannot be determined from the information provided what caused the malfunction.Therefore, the root cause could not be determined.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.Conclusion: review of the information provided during the investigation determined that there are no further actions needed at this time (ie/capa/scar/hhe/d).This complaint will be tracked and trended for any adverse trends that may warrant further action.
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